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Driver core fix for 3.14-rc3 

Here is a single driver core patch for 3.14-rc3 for the component code that
 Russell has found and fixed.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fix from Greg KH:
 "Here is a single driver core patch for 3.14-rc3 for the component code
  that Russell has found and fixed"

* tag 'driver-core-3.14-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  drivers/base: fix devres handling for master device
This commit is contained in:
Linus Torvalds 2014-02-14 16:13:40 -08:00
parent bb0a05d756 9e1ccb4a77
commit ad07f124ae
1 changed files with 8 additions and 0 deletions
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8
drivers/base/component.c
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@ -133,9 +133,16 @@ static int try_to_bring_up_master(struct master *master,
goto out;
}
if (!devres_open_group(master->dev, NULL, GFP_KERNEL)) {
ret = -ENOMEM;
goto out;
}
/* Found all components */
ret = master->ops->bind(master->dev);
if (ret < 0) {
devres_release_group(master->dev, NULL);
dev_info(master->dev, "master bind failed: %d\n", ret);
master_remove_components(master);
goto out;
}
@ -166,6 +173,7 @@ static void take_down_master(struct master *master)
{
if (master->bound) {
master->ops->unbind(master->dev);
devres_release_group(master->dev, NULL);
master->bound = false;
}